dcavalca / rpms / util-linux

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diff -up util-linux-2.23.2/disk-utils/blockdev.c.kzak util-linux-2.23.2/disk-utils/blockdev.c
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--- util-linux-2.23.2/disk-utils/blockdev.c.kzak	2015-06-23 11:29:27.818001654 +0200
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+++ util-linux-2.23.2/disk-utils/blockdev.c	2015-06-23 11:29:43.752884860 +0200
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@@ -16,6 +16,7 @@
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 #include "blkdev.h"
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 #include "pathnames.h"
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 #include "closestream.h"
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+#include "sysfs.h"
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 struct bdc {
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 	long		ioc;		/* ioctl code */
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@@ -364,7 +365,7 @@ static void do_commands(int fd, char **a
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 		}
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 		if (res == -1) {
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-			perror(bdcms[j].iocname);
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+			warn(_("ioctl error on %s"), bdcms[j].iocname);
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 			if (verbose)
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 				printf(_("%s failed.\n"), _(bdcms[j].help));
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 			exit(EXIT_FAILURE);
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@@ -436,7 +437,8 @@ static void report_device(char *device,
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 	int ro, ssz, bsz;
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 	long ra;
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 	unsigned long long bytes;
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-	struct hd_geometry g;
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+	uint64_t start = 0;
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+	struct stat st;
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 	fd = open(device, O_RDONLY | O_NONBLOCK);
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 	if (fd < 0) {
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@@ -446,15 +448,27 @@ static void report_device(char *device,
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 	}
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 	ro = ssz = bsz = 0;
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-	g.start = ra = 0;
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+	ra = 0;
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+	if (fstat(fd, &st) == 0 && !sysfs_devno_is_wholedisk(st.st_rdev)) {
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+		struct sysfs_cxt cxt;
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+
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+		if (sysfs_init(&cxt, st.st_rdev, NULL))
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+			err(EXIT_FAILURE,
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+				_("%s: failed to initialize sysfs handler"),
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+				device);
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+		if (sysfs_read_u64(&cxt, "start", &start))
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+			err(EXIT_FAILURE,
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+				_("%s: failed to read partition start from sysfs"),
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+				device);
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+		sysfs_deinit(&cxt);
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+	}
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 	if (ioctl(fd, BLKROGET, &ro) == 0 &&
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 	    ioctl(fd, BLKRAGET, &ra) == 0 &&
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 	    ioctl(fd, BLKSSZGET, &ssz) == 0 &&
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 	    ioctl(fd, BLKBSZGET, &bsz) == 0 &&
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-	    ioctl(fd, HDIO_GETGEO, &g) == 0 &&
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 	    blkdev_get_size(fd, &bytes) == 0) {
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-		printf("%s %5ld %5d %5d %10ld %15lld   %s\n",
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-		       ro ? "ro" : "rw", ra, ssz, bsz, g.start, bytes, device);
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+		printf("%s %5ld %5d %5d %10ju %15lld   %s\n",
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+		       ro ? "ro" : "rw", ra, ssz, bsz, start, bytes, device);
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 	} else {
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 		if (!quiet)
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 			warnx(_("ioctl error on %s"), device);
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diff -up util-linux-2.23.2/include/sysfs.h.kzak util-linux-2.23.2/include/sysfs.h
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--- util-linux-2.23.2/include/sysfs.h.kzak	2015-06-23 11:32:12.709793086 +0200
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+++ util-linux-2.23.2/include/sysfs.h	2015-06-23 11:32:31.909652361 +0200
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@@ -72,6 +72,7 @@ extern int sysfs_is_partition_dirent(DIR
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 extern int sysfs_devno_to_wholedisk(dev_t dev, char *diskname,
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             size_t len, dev_t *diskdevno);
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+extern int sysfs_devno_is_wholedisk(dev_t devno);
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 extern int sysfs_scsi_get_hctl(struct sysfs_cxt *cxt, int *h,
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 			       int *c, int *t, int *l);
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diff -up util-linux-2.23.2/lib/sysfs.c.kzak util-linux-2.23.2/lib/sysfs.c
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--- util-linux-2.23.2/lib/sysfs.c.kzak	2015-06-23 11:31:32.166090250 +0200
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+++ util-linux-2.23.2/lib/sysfs.c	2015-06-23 11:31:59.684888551 +0200
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@@ -638,6 +638,18 @@ err:
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     return -1;
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 }
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+/*
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+ * Return 0 or 1, or < 0 in case of error
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+ */
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+int sysfs_devno_is_wholedisk(dev_t devno)
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+{
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+	dev_t disk;
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+
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+	if (sysfs_devno_to_wholedisk(devno, NULL, 0, &disk) != 0)
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+		return -1;
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+
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+	return devno == disk;
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+}
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 int sysfs_scsi_get_hctl(struct sysfs_cxt *cxt, int *h, int *c, int *t, int *l)
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 {